This 1911 government barrel is a perfect addition to your handgun. 28-34 rockwell hardness. Crafted from 440 high-quality steel, 1:16"" left handed twist this barrel is both durable and reliable. It is designed to fit 1911 government models chambered in .45 ACP. The sleek black color adds a stylish touch to your firearm. 6 lands and groove..Made in the United States, this barrel is a must-have for any gun enthusiast.No Link..No Pin!!.May require some fitting..any questions please ask..usually ships out 1 to 2 business days..fla buyers must pay sales tax!!